A set of average city temperatures in May are normally distributed with a mean of 20.66°C and a standard
deviation of 2°C. The average temperature of Singapore is 26°C.
What proportion of average city temperatures are lower than that of Singapore?
You may round your answer to four decimal places.

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat

Find the solution on the interval [0, 2pi)